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Finding the Fourth Proportional to 604,705.06, 907,188.81 and 183,970

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Solution

The fourth proportional to 604,705.06, 907,188.81 and 183,970 is: 275,994.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,705.06 : 907,188.81 = 183,970 : x
  2. Step 2: Convert to fraction form
    604,705.06/907,188.81 = 183,970/x
  3. Step 3: Cross multiply
    604,705.06x = 907,188.81 × 183,970
  4. Step 4: Simplify right side
    604,705.06x = 166,895,525,375.70
  5. Step 5: Solve for x
    x = 166,895,525,375.70/604,705.06
  6. Step 6: Final answer
    x = 275,994.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.